Air dryer



FIG. 1 is a perspective view of an air dryer in one embodiment of the new design;

FIG. 2 is a first side view of the air dryer of FIG. 1;

FIG. 3 is a second side view of the air dryer of FIG. 1;

FIG. 4 is a third side view of the air dryer of FIG. 1;

FIG. 5 is a fourth view of the air dryer of FIG. 1;

FIG. 6 is a top view of the air dryer of FIG. 1; and,

FIG. 7 is a bottom view of the air dryer of FIG. 1.

The portions of the Figures shown in phantom lines are not part of the claimed design and are for illustration only. 

We claim the ornamental design for an air dryer, as shown and described. 